Carnaval, Op. 9: VIII. Réplique. L'istesso tempo – Sphinxes

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF057801098
CopyrightID (CopyrightChains transaction hash)
0x9997777f76f0c1c915cd1b2d3c6de9f9709f357a3ad23304e1f71680229771fa

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:ca8adf7766fbde3fd6ef053ab18f5e8ce9330228cc127c2e36dc73c4e0bf1f0d

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.